Ethyl 2-iodo-3-methoxy-6-(trifluoromethoxy)pyridine-4-carboxylate
Ethyl 4-iodo-6-methoxy-2-(trifluoromethoxy)pyridine-3-acetate
Methyl 3-iodo-6-methoxy-2-(trifluoromethoxy)pyridine-5-carboxylate
Ethyl 4-iodo-2-methoxy-5-(trifluoromethoxy)pyridine-3-acetate